Form builder
Build forms people finish
Multi-step forms with conditional logic, calculations, file uploads and signatures, styled with a theme and shown one question at a time or one page at a time. Publish to a link, a QR code or your own site.
Build
A form builder for real applications, not just contact forms
Build multi-page forms with branching, calculations and signatures — and see exactly what respondents will see as you go.
- 26 question types, from text and dropdowns to file uploads, typed or drawn signatures, repeatable groups, line items and calculated totals.
- Multi-page forms, or one question at a time — with a live desktop and mobile preview.
- Conditional logic: show or hide questions, skip pages, and end a form early when an answer rules someone out.
- Calculated totals are recomputed on the server when a form is submitted, not trusted from the browser.
- Autosave with undo and redo, plus a quality check before you publish.
- Start from 37 ready-made templates across 11 categories, or from a blank page.
Custom form branding is included on Growth and above.
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Public form link
https://forms.undaforms.com/f/8xk2p9nq
Embed on your site
<iframe src="https://forms.undaforms.com/f/8xk2p9nq?embed=1"
width="100%" height="720" title="Business cover enquiry"></iframe>Publish
Publish once. Collect from anywhere.
Respondents don't need an account. Send a short link, print a QR code, or embed the form on your own website.
- Forms adapt to phones, tablets and desktops, including inside an embed.
- Progress is saved on the respondent's device, so they can come back and finish later in the same browser.
- If the connection drops at submit, the submission is kept on the device and sent when it's back.
- Optional email verification with a one-time code, and typed or drawn signatures.
- Every submission records the version of the form it was answered on.